Mulberry Native to warm-temperate regions Morus alba is an important food for silkworms. Morus australis has small, dark purple fruit. Morus macroura has very long, honey sweet fruit. Morus nigra has very dark red to blackish fruit with a sub-acid flavor. Mulberry Fruit, Mulberry Bush, Mulberry Tree, Fruit Bearing Trees, Fruit Trees, Purple Fruit, Green Farm, Buy Plants, Types Of Soil